So why do you need to aerate a lake or pond. Aeration is the infusion of oxygen into the water. The dissolved oxygen (DO) levels within any water body are constantly affected by:
Having a healthy DO level within your waterbody is important to ensure that there is no loss in aquatic/plant life. When there are insufficient DO levels in a waterbody Thermal Stratification occurs. Thermal Stratification is the separation of water levels, one at the bed of the waterbody, which is cooler in temperature and oxygen deficient, one at the top of the waterbody which is warmer in temperature and oxygen rich and a layer separating the two. This middle layer is called the Thermocline. This can cause plant life within the oxygen deficient layer to die off and, if it is not removed, rot causing silt and a build up of nitrate levels, eventually leading to a build-up in ammonia. As well as these risks you may also risk releasing dangerous toxins into the atmosphere from potential anaerobic waste digestion. Aeration helps to break up these layers
In a natural, ecologically balanced waterbody there would be no need for added aeration but due to the added pressures, more so over spring and summer, added aeration is an essential management tool.
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